package dierweek;

public class fabolaqi {
    public static void main(String[] args) {
        int a,b,c;
        a=0;
        b=1;
        c=a+b;
        while (c<12){
            a=b;
            b=c;
            c=a+b;
        }
        System.out.println("c="+c);
    }
}
